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Round|Lab Grown|UNKNOWN

1.00ct E I1 Round Lab Grown Diamond

EX • E/I1 • UNKNOWN 36237237

Certificate UNKNOWN 36237237

Diamond specifications and retailer prices

From £393 GBP
$526 USD
As of October 29, 2026
Save £888 GBP (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,281 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by UNKNOWN 36237237. Listed at 5 retailers as of October 29, 2026, with prices from £393 to £1,281, a £888 spread on the same certified stone. NZ Jewellers lists it at £1,281. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 36237237
Dimensions6.46 × 6.45 × 3.89 mm
L/W Ratio1.00
Top View
6.46 mm6.45 mm1.00 ctE / I1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 36237237
Side View
Table 57.3%CrownGirdlePavilionCuletDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £393 GBP|Low: £377 GBP|High: £755 GBP|Avg: £524 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£393 GBP
Retailer 4£440 GBP
Retailer 2£487 GBP
Retailer 3£755 GBP

4 data points across 4 retailers

5 retailers£393 GBP to £1,281 GBP

B+
Cheapest Retailer
-
£393 GBP
$526 USD
B+
Retailer 2
-
£440 GBP
$589 USD
View
B+
Retailer 3
-
£487 GBP
$652 USD
View
B+
Retailer 4
-
£755 GBP
$1,011 USD
View
Most Expensive
B
NZ Jewellers
4021078f-c503-4954-9fd2-5d2156292ae0 · Oct 30
£1,281 GBP
$1,716 USD
View
4 more retailers have this diamond
Prices start from £393 GBPSave up to £888 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.00ct Round
£393 GBP